diff --git a/.changeset/cool-rice-hunt.md b/.changeset/cool-rice-hunt.md
new file mode 100644
index 0000000..86f62c2
--- /dev/null
+++ b/.changeset/cool-rice-hunt.md
@@ -0,0 +1,5 @@
+---
+"@hyperse/install-local": patch
+---
+
+fix test cases
diff --git a/tests/core/cli.spec.ts b/tests/core/cli.spec.ts
index 2c195e6..0610ee8 100644
--- a/tests/core/cli.spec.ts
+++ b/tests/core/cli.spec.ts
@@ -9,14 +9,13 @@ describe('cli', () => {
     dependencies: string[];
     save: boolean;
     targetSiblings: boolean;
-    validate: Mock<any, Promise<void>>;
+    validate: Mock<() => Promise<void>>;
   };
 
   let currentDirectoryInstallStub: MockInstance<
-    [optionsModule.Options],
-    Promise<void>
+    (option: optionsModule.Options) => Promise<void>
   >;
-  let siblingInstallStub: MockInstance<[], Promise<void>>;
+  let siblingInstallStub: MockInstance<() => Promise<void>>;
 
   beforeEach(() => {
     optionsMock = {
diff --git a/tests/core/currentDirectoryInstall.spec.ts b/tests/core/currentDirectoryInstall.spec.ts
index 8ba7bd7..e7fff6c 100644
--- a/tests/core/currentDirectoryInstall.spec.ts
+++ b/tests/core/currentDirectoryInstall.spec.ts
@@ -1,22 +1,22 @@
-import type { WriteStream } from 'tty';
 import { Mock } from 'vitest';
 import { MockInstance } from 'vitest';
 import { currentDirectoryInstall } from '../../src/currentDirectoryInstall.js';
 import * as helpers from '../../src/helpers.js';
-import { InstallTarget, Options, PackageJson } from '../../src/index.js';
+import { InstallTarget, PackageJson, saveIfNeeded } from '../../src/index.js';
 import * as localInstallerModule from '../../src/LocalInstaller.js';
 import * as progressModule from '../../src/progress.js';
 import * as saveModule from '../../src/save.js';
 import { options, packageJson } from '../helpers/producers.js';
 
 describe('currentDirectoryInstall', () => {
-  let localInstallerStub: { install: Mock<any, InstallTarget[]>; on: Mock };
-  let saveIfNeededStub: MockInstance<[InstallTarget[], Options], Promise<void>>;
-  let readPackageJsonStub: MockInstance<[string], Promise<PackageJson>>;
-  let progressStub: MockInstance<
-    [localInstallerModule.LocalInstaller, WriteStream?],
-    void
-  >;
+  let localInstallerStub: {
+    install: Mock<() => Promise<InstallTarget[]>>;
+    on: Mock;
+  };
+
+  let saveIfNeededStub: MockInstance<typeof saveIfNeeded>;
+  let readPackageJsonStub: MockInstance<(from: string) => Promise<PackageJson>>;
+  let progressStub: MockInstance<typeof progressModule.progress>;
   beforeEach(() => {
     localInstallerStub = { install: vi.fn(), on: vi.fn() };
     // LocalInstaller is a class, so we need to mock the constructor, use `MockReturnValue` to mock the return value
diff --git a/tests/core/helpers.spec.ts b/tests/core/helpers.spec.ts
index ff63314..41dc527 100644
--- a/tests/core/helpers.spec.ts
+++ b/tests/core/helpers.spec.ts
@@ -4,7 +4,7 @@ import { MockInstance } from 'vitest';
 import { readPackageJson } from '../../src/helpers.js';
 
 describe('Helpers', () => {
-  let readFileStub: MockInstance<any, Promise<string | Buffer>>;
+  let readFileStub: MockInstance<typeof fs.readFile>;
 
   beforeEach(() => {
     readFileStub = vi.spyOn(fs, 'readFile');